Drill bit for screw



FIG. 1 is a perspective view of a drill bit for screw showing my design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a perspective view of the drill bit for screw with the screwshown in an alternate condition of use.

The features shown in broken lines depict environmental subject matteronly and form no part of the claimed design.

The break-lines of FIGS. 1 to 6 showing of a partial screw areillustrated in an extended position only and form no part of the claimeddesign.

CLAIM The ornamental design for a drill bit for screw, as shown anddescribed.